Home / 1,904.10-2,856.36-605.27

Finding the Fourth Proportional to 1,904.10, 2,856.36 and 605.27

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Solution

The fourth proportional to 1,904.10, 2,856.36 and 605.27 is: 907.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.10 : 2,856.36 = 605.27 : x
  2. Step 2: Convert to fraction form
    1,904.10/2,856.36 = 605.27/x
  3. Step 3: Cross multiply
    1,904.10x = 2,856.36 × 605.27
  4. Step 4: Simplify right side
    1,904.10x = 1,728,854.74
  5. Step 5: Solve for x
    x = 1,728,854.74/1,904.10
  6. Step 6: Final answer
    x = 907.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.